Home / 73,396.28-101,286.78-39,862.04

Finding the Fourth Proportional to 73,396.28, 101,286.78 and 39,862.04

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Solution

The fourth proportional to 73,396.28, 101,286.78 and 39,862.04 is: 55,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,396.28 : 101,286.78 = 39,862.04 : x
  2. Step 2: Convert to fraction form
    73,396.28/101,286.78 = 39,862.04/x
  3. Step 3: Cross multiply
    73,396.28x = 101,286.78 × 39,862.04
  4. Step 4: Simplify right side
    73,396.28x = 4,037,497,675.83
  5. Step 5: Solve for x
    x = 4,037,497,675.83/73,396.28
  6. Step 6: Final answer
    x = 55,009.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.